\(\sqrt{5}+\sqrt{20}+\sqrt{45}\) की प्रकृति क्या है?
What is the nature of \(\sqrt{5}+\sqrt{20}+\sqrt{45}\)?
Explanation opens after your attempt
B. अपरिमेयIrrational
Concept
\(\sqrt{20}=2\sqrt{5}\) and \(\sqrt{45}=3\sqrt{5}\).
Why this answer is correct
The total is \(6\sqrt{5}\), which is irrational.
Exam Tip
Simplify an expression before deciding its nature. चरण 1: \(\sqrt{20}=2\sqrt{5}\) और \(\sqrt{45}=3\sqrt{5}\)। चरण 2: कुल योग \(6\sqrt{5}\) है, जो अपरिमेय है। चरण 3: किसी अभिव्यक्ति की प्रकृति तय करने से पहले उसे सरल करें।
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